/Engine/Source/Editor/UnrealEd/Public/Kismet2/KismetEditorUtilities.h
Creates a new blueprint instance and replaces the provided actor list with the new actor
static [AActor](API\Runtime\Engine\GameFramework\AActor) * CreateBlueprintInstanceFromSelection ( class [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * Blueprint, const [TArray](API\Runtime\Core\Containers\TArray)< [AActor](API\Runtime\Engine\GameFramework\AActor) * > & SelectedActors, const FVector & Location, const FRotator & Rotator, [AActor](API\Runtime\Engine\GameFramework\AActor) * AttachParent )